1. A piece of leather stuffed or padded, worn by fencers to protect the breast.

3. An iron breastplate, worn under the hauberk.

3. <anatomy> The ventral shield or shell of tortoises and turtles. See Testudinata.

4. A trimming for the front of a woman's dress, made of a different material, and narrowing from the shoulders to the waist.

Origin: F. Plastron breastplate, plastron, LL. Plastra a thin plate of metal. See Plaster.

(01 Mar 1998)